🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.5

Radius: 8.2

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.58 AU - 0.92 AU

Year: 448 Days

Day: 8.9 Hours

Environment

Temp: -162 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 81,775,805 km

• M1: 102,026 km (0.116 R)
• M2: 384,317 km (0.042 R)
• M3: 811,868 km (0.039 R)
• M4: 1,259,614 km (0.067 R)
• M5: 1,712,148 km (0.091 R)
• M6: 2,010,745 km (0.099 R)
• M7: 2,319,066 km (0.102 R)
• M8: 2,640,702 km (0.055 R)
• M9: 2,923,292 km (0.025 R)
• M10: 3,289,059 km (0.086 R)
• M11: 3,930,834 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675.7

Radius: 13.5

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.86 AU - 0.88 AU

Year: 560 Days

Day: 8.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 81,775,805 km

• M1: 169,046 km (0.11 R)
• M2: 604,226 km (0.081 R)
• M3: 1,099,096 km (0.12 R)
• M4: 1,568,085 km (0.103 R)
• M5: 2,506,213 km (0.111 R)
• M6: 3,125,249 km (0.06 R)
• M7: 3,632,236 km (0.078 R)
• M8: 4,369,455 km (0.117 R)
• M9: 5,171,000 km (0.058 R)
• M10: 5,704,765 km (0.105 R)
• M11: 6,199,485 km (0.079 R)
• M12: 6,843,055 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 601

Radius: 11.1

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.91 AU - 1.25 AU

Year: 775 Days

Day: 14.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 81,775,805 km

• M1: 138,079 km (0.066 R)
• M2: 523,892 km (0.06 R)
• M3: 1,502,561 km (0.116 R)
• M4: 1,891,815 km (0.051 R)
• M5: 2,432,162 km (0.065 R)
• M6: 2,903,096 km (0.088 R)
• M7: 3,315,388 km (0.115 R)
• M8: 3,955,517 km (0.062 R)
• M9: 4,448,293 km (0.107 R)
• M10: 5,051,172 km (0.043 R)
• M11: 5,861,394 km (0.11 R)
• M12: 6,971,560 km (0.117 R)
• M13: 7,762,783 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 560.5

Radius: 9.2

Gravity: 6.62 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 2.18 AU - 2.24 AU

Year: 2268 Days

Day: 14.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 81,775,805 km

• M1: 114,592 km (0.079 R)
• M2: 422,614 km (0.116 R)
• M3: 867,817 km (0.118 R)
• M4: 1,238,970 km (0.047 R)
• M5: 1,544,149 km (0.071 R)
• M6: 2,272,242 km (0.113 R)
• M7: 2,565,603 km (0.072 R)
• M8: 3,412,327 km (0.073 R)
• M9: 4,118,130 km (0.064 R)
• M10: 6,243,318 km (0.105 R)
• M11: 6,635,414 km (0.046 R)
• M12: 6,988,614 km (0.075 R)
• M13: 7,382,954 km (0.111 R)
• M14: 7,821,874 km (0.084 R)
• M15: 8,434,029 km (0.08 R)
• M16: 9,243,952 km (0.11 R)
• M17: 9,684,966 km (0.097 R)
• M18: 10,980,334 km (0.085 R)
• M19: 11,321,417 km (0.106 R)
• M20: 11,630,486 km (0.069 R)
• M21: 12,024,826 km (0.106 R)
• M22: 12,509,823 km (0.037 R)
• M23: 14,087,781 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289.8

Radius: 14.6

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 2.05 AU - 2.89 AU

Year: 2680 Days

Day: 13 Hours

Environment

Temp: -217 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 81,775,805 km

• M1: 181,612 km (0.113 R)
• M2: 876,644 km (0.058 R)
• M3: 1,474,736 km (0.07 R)
• M4: 2,211,356 km (0.096 R)
• M5: 2,762,325 km (0.059 R)
• M6: 3,736,805 km (0.055 R)
• M7: 4,745,544 km (0.098 R)
• M8: 6,095,964 km (0.108 R)
• M9: 6,874,022 km (0.076 R)
• M10: 10,526,753 km (0.072 R)
• M11: 10,987,814 km (0.12 R)
• M12: 14,603,894 km (0.045 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271.4

Radius: 11.2

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 2.19 AU - 3.15 AU

Year: 3011 Days

Day: 14.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 125 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 81,775,805 km

• M1: 139,276 km (0.087 R)
• M2: 525,687 km (0.068 R)
• M3: 1,675,197 km (0.117 R)
• M4: 2,293,186 km (0.097 R)
• M5: 3,166,688 km (0.071 R)
• M6: 5,869,921 km (0.105 R)
• M7: 6,364,342 km (0.095 R)
• M8: 10,076,464 km (0.079 R)
• M9: 12,387,152 km (0.116 R)
• M10: 14,403,732 km (0.067 R)
• M11: 15,676,361 km (0.058 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 260.2

Radius: 5.4

Gravity: 8.92 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 4.19 AU - 6.93 AU

Year: 9049 Days

Day: 21.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 81,775,805 km

• M1: 67,169 km (0.048 R)
• M2: 346,319 km (0.042 R)
• M3: 515,215 km (0.114 R)
• M4: 756,068 km (0.09 R)
• M5: 1,169,556 km (0.112 R)
• M6: 2,188,467 km (0.089 R)
• M7: 2,383,692 km (0.113 R)
• M8: 2,626,041 km (0.094 R)
• M9: 3,764,780 km (0.106 R)
• M10: 4,545,980 km (0.08 R)
• M11: 4,919,676 km (0.11 R)
• M12: 6,293,283 km (0.043 R)
• M13: 7,387,592 km (0.069 R)
• M14: 7,642,955 km (0.104 R)
• M15: 8,523,638 km (0.063 R)
• M16: 9,815,116 km (0.098 R)
• M17: 23,537,430 km (0.066 R)
• M18: 25,552,663 km (0.113 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 942.3

Radius: 5.9

Gravity: 27.07 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 6.75 AU - 7.59 AU

Year: 13252 Days

Day: 15.9 Hours

Environment

Temp: -239 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 81,775,805 km

• M1: 73,303 km (0.102 R)
• M2: 269,276 km (0.096 R)
• M3: 500,255 km (0.088 R)
• M4: 844,929 km (0.092 R)
• M5: 1,138,589 km (0.037 R)
• M6: 1,409,511 km (0.031 R)
• M7: 1,640,191 km (0.096 R)
• M8: 2,382,047 km (0.062 R)
• M9: 2,996,445 km (0.082 R)
• M10: 3,248,967 km (0.059 R)
• M11: 4,002,641 km (0.083 R)
• M12: 4,631,999 km (0.033 R)
• M13: 5,075,108 km (0.045 R)
• M14: 6,245,412 km (0.108 R)
• M15: 6,658,601 km (0.101 R)
• M16: 7,045,761 km (0.077 R)
• M17: 9,529,983 km (0.093 R)
• M18: 10,996,790 km (0.049 R)
• M19: 14,089,277 km (0.108 R)
• M20: 14,944,229 km (0.091 R)
• M21: 19,223,027 km (0.051 R)
• M22: 21,086,418 km (0.098 R)
• M23: 24,152,277 km (0.107 R)
• M24: 26,212,090 km (0.069 R)
• M25: 26,530,883 km (0.039 R)
• M26: 29,631,897 km (0.108 R)
• M27: 29,977,768 km (0.085 R)
• M28: 31,627,832 km (0.12 R)
• M29: 36,542,122 km (0.08 R)
• M30: 40,368,387 km (0.087 R)
• M31: 48,167,074 km (0.12 R)
• M32: 58,164,550 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 946

Radius: 4.1

Gravity: 56.28 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 8.29 AU - 10.01 AU

Year: 19105 Days

Day: 18.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 81,775,805 km

• M1: 51,162 km (0.065 R)
• M2: 339,438 km (0.099 R)
• M3: 596,746 km (0.12 R)
• M4: 727,943 km (0.04 R)
• M5: 890,257 km (0.112 R)
• M6: 1,478,027 km (0.118 R)
• M7: 1,631,963 km (0.072 R)
• M8: 1,932,356 km (0.063 R)
• M9: 2,095,866 km (0.072 R)
• M10: 2,521,622 km (0.111 R)
• M11: 3,002,728 km (0.106 R)
• M12: 3,883,112 km (0.071 R)
• M13: 6,765,265 km (0.112 R)
• M14: 8,362,521 km (0.107 R)
• M15: 9,596,255 km (0.092 R)
• M16: 10,256,280 km (0.068 R)
• M17: 10,441,483 km (0.083 R)
• M18: 14,168,265 km (0.107 R)
• M19: 15,503,127 km (0.104 R)
• M20: 16,326,364 km (0.06 R)
• M21: 19,437,102 km (0.052 R)
• M22: 20,393,481 km (0.116 R)
• M23: 20,982,149 km (0.071 R)
• M24: 33,604,469 km (0.09 R)
• M25: 36,822,469 km (0.055 R)
• M26: 37,548,168 km (0.099 R)
• M27: 48,212,701 km (0.107 R)
• M28: 49,783,179 km (0.066 R)
• M29: 53,025,564 km (0.03 R)
• M30: 54,136,926 km (0.081 R)
• M31: 68,488,598 km (0.117 R)
• M32: 70,916,871 km (0.08 R)
• M33: 72,265,196 km (0.198 R)
• M34: 75,013,010 km (0.21 R)
• M35: 77,829,639 km (0.099 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 804.4

Radius: 4.7

Gravity: 36.41 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 9 AU - 10.22 AU

Year: 20563 Days

Day: 21.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 81,775,805 km

• M1: 246,388 km (0.109 R)
• M2: 905,067 km (0.093 R)
• M3: 1,381,836 km (0.093 R)
• M4: 2,051,436 km (0.111 R)
• M5: 2,761,277 km (0.114 R)
• M6: 3,562,075 km (0.115 R)
• M7: 5,527,193 km (0.065 R)
• M8: 6,156,102 km (0.069 R)
• M9: 8,169,091 km (0.118 R)
• M10: 11,350,888 km (0.101 R)
• M11: 15,351,733 km (0.103 R)
• M12: 16,167,939 km (0.095 R)
• M13: 17,533,469 km (0.108 R)
• M14: 23,127,232 km (0.063 R)
• M15: 23,445,277 km (0.104 R)
• M16: 30,179,575 km (0.045 R)
• M17: 30,432,396 km (0.089 R)
• M18: 34,948,307 km (0.104 R)
• M19: 44,458,692 km (0.114 R)
• M20: 64,106,727 km (0.095 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 197 - 20,060 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit